Davis, 27, led the majors with 53 home runs, 138 RBI and 370 total bases in 160 games for the Orioles in 2013. He made his first All-Star team in 2013 and was the overall leading vote-getter for the Midsummer Classic.

Hunter, 27, was 6-5 with a 2.81 ERA (86.1IP, 27ER) in a career-high 68 games for the Orioles in 2013.

Matusz, 26, was 2-1 with a 3.53 ERA (51.0IP, 20ER) in a career-high 65 games for the Orioles in 2013.

Norris, 28, was 10-12 with a 4.18 ERA (176.2IP, 82ER) in 32 games (30 starts) between Baltimore and Houston in 2013. He was 4-3 with a 4.80 ERA (50.2IP, 27ER) in 11 games (nine starts) for the Orioles after being acquired from the Astros on July 31.

Patton, 28, was 2-0 with a 3.70 ERA (56.0IP, 23ER) in a career-high 56 games for the Orioles in 2013.